S
M
T
W
T
F
S
26
64°
35°
27
46°
37°
28
57°
34°
29
63°
35°
30
64°
39°
1
66°
40°
2
72°
39°
3
76°
45°
4
76°
53°
5
58°
48°
6
63°
41°
7
76°
38°
8
77°
48°
9
77°
47°
10
80°
43°
11
90°
46°
12
93°
60°
13
92°
55°
14
81°
47°
15
81°
47°
16
79°
50°
17
67°
47°
18
51°
37°
19
62°
41°
20
68°
47°
21
67°
40°
22
70°
42°
23
80°
53°
24
82°
56°
25
82°
57°
26
79°
52°
27
70°
49°
28
71°
50°
29
82°
56°
30
86°
58°
31
83°
57°
1
84°
57°
2
80°
50°
3
78°
50°
4
81°
49°
5
81°
55°
6
74°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Salem
Salem's May 2026 forecast shows daily high temperatures ranging from 67° to 86°, with overnight lows between 40° and 58°. The average high for May is 78° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Salem. See also: June | July | August.
